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Finding the Fourth Proportional to 5,271.47, 7,274.03 and 3,254.52

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Solution

The fourth proportional to 5,271.47, 7,274.03 and 3,254.52 is: 4,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.47 : 7,274.03 = 3,254.52 : x
  2. Step 2: Convert to fraction form
    5,271.47/7,274.03 = 3,254.52/x
  3. Step 3: Cross multiply
    5,271.47x = 7,274.03 × 3,254.52
  4. Step 4: Simplify right side
    5,271.47x = 23,673,476.12
  5. Step 5: Solve for x
    x = 23,673,476.12/5,271.47
  6. Step 6: Final answer
    x = 4,490.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.